[ on a slow (4 second roundtrip time) link... ]> Final ack for three-way handshake -> connection established.[ ... ]> Now it starts to be come strange. The other end floods us with ACKs.

Just a wild theory: Could the server be running an agressive defenseagainst SYN flood attacks, causing it to drop the half-open connectionduring the 4 seconds roundtrip time it takes for the final ack to getthere? -=] Ford [=-